Unlocking the Power of Iron Oxides for Better Rice Crops
Rice is a staple food for many people around the world. But growing it needs a lot of nitrogen. Usually, farmers add nitrogen fertilizer to the soil. But what if there's a better way? A recent study found that iron oxides, which are common in soil, can help certain bacteria fix nitrogen naturally. These bacteria, called iron-reducing Deltaproteobacteria, use iron as...